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Finding the Fourth Proportional to 445,672.32, 668,613.12 and 150,184.32

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Solution

The fourth proportional to 445,672.32, 668,613.12 and 150,184.32 is: 225,311.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,672.32 : 668,613.12 = 150,184.32 : x
  2. Step 2: Convert to fraction form
    445,672.32/668,613.12 = 150,184.32/x
  3. Step 3: Cross multiply
    445,672.32x = 668,613.12 × 150,184.32
  4. Step 4: Simplify right side
    445,672.32x = 100,415,206,770.28
  5. Step 5: Solve for x
    x = 100,415,206,770.28/445,672.32
  6. Step 6: Final answer
    x = 225,311.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.